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6 Dez 1793 Jahr - The Law of Definite Proportions

Beschreibung:

"Any given chemical compound always contains its component elements in fixed ratio and does not depend on its source and method of preparation."

Zugefügt zum Band der Zeit:

20 Dez 2018

Datum:

6 Dez 1793 Jahr
Jetzt
~ 230 years ago